Crane Deming 5260 Series Installation, Operation & Maintenance Manual Download Page 1

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A Crane Co. Company

IMPORTANT!

Read all instructions in this manual before operating pump.

As a result of Crane Pumps & Systems, Inc., constant product improvement program,

product changes may occur. As such Crane Pumps & Systems reserves the right to

change product without prior written notifi cation.

420 Third Street

83 West Drive, Bramton

Piqua, Ohio 45356

Ontario, Canada L6T 2J6

Phone: (937) 778-8947

Phone: (905) 457-6223

Fax: (937) 773-7157

Fax: (905) 457-2650

www.cranepumps.com

Form No. 120022-Rev. D

Series: 5260

Multi-Stage

DEMING

INSTALLATION, OPERATION & MAINTENANCE MANUAL

Horizontal Split Case Centrifugal Pumps

Manual Index

Summary of Contents for Deming 5260 Series

Page 1: ...mps Systems reserves the right to change product without prior written notification 420 Third Street 83 West Drive Bramton Piqua Ohio 45356 Ontario Canada L6T 2J6 Phone 937 778 8947 Phone 905 457 6223 Fax 937 773 7157 Fax 905 457 2650 www cranepumps com Form No 120022 Rev D Series 5260 Multi Stage DEMING DEMING INSTALLATION OPERATION MAINTENANCE MANUAL Horizontal Split Case Centrifugal Pumps Manua...

Page 2: ... INFORMATION 4 Receiving Storage Service Centers B INSTALLATION 4 6 Location Foundation Mounting Alignment Grouting Piping Wiring Rotation C OPERATION 6 8 Priming Starting Adjustment D MAINTENANCE 8 12 Lubrication Packing Box Disassembly Reassembly Double Wear Ring Impellers Change Rotation Seal Replacement Type 1 Installation E LOCATING TROUBLE 13 CROSS SECTIONS PARTS LIST 14 16 CONSTRUCTION DETA...

Page 3: ... not wear loose clothing that may become entangled in moving parts WARNING Keep clear of suction and discharge openings DO NOT insert fingers in pump with power connected Always wear eye protection when working on pumps Make sure lifting handles are securely fastened each time before lifting DO NOT operate pump without safety devices in place Always replace safety devices that have been removed du...

Page 4: ...ramton Ontario 905 457 6223 B INSTALLATION 1 LOCATION The pump should be installed as near the source of liquid as possible with a minimum of piping on the suction side of the pump The discharge piping should be as direct as possible with a minimum of fittings to lower friction loss The unit should be installed with adequate head room and a maximum area for inspection and service The installation ...

Page 5: ...ment check is made by inserting a taper gauge or feelers between the coupling faces at 90 degree intervals around the coupling The unit will be in angular alignment when the coupling faces are exactly the same distance apart at all points See Figure 2 Parallel alignment check is made by placing a straight edge across both coupling rims at the top bottom and at both sides The unit will be in parall...

Page 6: ...on to reduce unequal flow into the pump which may cause cavitation in the pump See Figure 3 There is always uneven flow in an elbow when it is installed in any position other than a vertical position This unequal flow allows more water to enter one side of the impeller than enters the other side causing a reduction in capacity and efficiency This condition may also cause cavitation which would be ...

Page 7: ...7 Figure 3 ...

Page 8: ...e of a valve in the suction line WARNING Operating the pump with a closed discharge valve can result in excessive heat build up and should be limited to the shortest practical duration Operating the pump at close to shut off head usually places greater bending strains on the shaft than at operating points near the best efficiency The following important items should be checked as pump is started a...

Page 9: ...1 Set top half out of the way on a piece of cardboard or wood taking care not to scratch gasket surface 12 Place casing gasket as well as all other gaskets in water to keep them from drying out and shrinking 13 Check seal setting distance from machined surface at the end of the stuffing box area to the seal collar This will need to be known to reset collar in the proper position if disassembly req...

Page 10: ...cap 18 Repeat Steps 13 14 and 16 19 Install pump coupling hub and key 20 If new casing half gaskets are to be installed place them onto lower half and trim to fix CAUTION Do Not cut gasket at end of stuffing box in the seal cap area 21 Place rotating assembly into lower case making sure to fit holes in case wear rings on roll pins in lower case half Keep seal cap gaskets next to seal cap to not te...

Page 11: ...ng sleeve adjust and align coupling Refer to alignment procedure section 40 Install coupling guard 41 Turn power to pump on Start and run pump TORQUE REQUIREMENTS SIZE FOOT POUNDS 3 8 16 1 2 13 5 8 11 3 4 10 7 8 9 1 8 21 7 43 5 86 0 152 0 222 0 307 0 FOOTNOTE The rotating assembly can be adjusted by loosening the three bolts that holds the bearing housing to lower case half on one end or the other...

Page 12: ...arbon sealing washer or ceramic floating seat drop or fall Take particular care not to scatch the lapped faces on the sealing washer and floating seat INSTALL WASHER AND BELLOWS ASSEMBLY Be sure the sleeve or shaft is clean and polished smooth before installing new part Oil sleeve or shaft and the thimble with light oil to allow the washer and bellows assembly to be easily pushed into position Fig...

Page 13: ...o defective shaft packing g Air leak through stuffing box when operating with high vacuum or high suction lift Install recirculation piping or pressurize from outside liquid source 5 Pump Takes Too Much Power a Speed too high Compare Pump and motor nameplates b Head lower than rating pumps too much liquid Check system requirements c Liquid specific gravity or viscosity greater than expected Requir...

Page 14: ...g outboard 38 Shaft Sleeve Gasket 40 Deflector Liquid ITEM No DESCRIPTION 41 Bearing Cap inboard 43 Bearing Cap outboard 63 Stuffing Box Bushing 65 Mechanical Shaft Seal Stationary Element 68 Seal Collar 72 Thrust Collar 73 Casing Gasket Suction Side Not Shown 73A Casing Gasket Discharge Side Not Shown 73D Gasket Seal Cap 80 Mechanical Shaft Seal Rotating Element 109 Interstage Diaphragm 127A Seal...

Page 15: ...ler Key 33 Bearing Housing Water Jacketed outboard 38 Shaft Sleeve Gasket ITEM No DESCRIPTION 40 Deflector Liquid 41 Bearing Cap inboard 43 Bearing Cap outboard 63 Stuffing Box Bushing 65 Mechanical Shaft Seal Stationary Element 68 Seal Collar 72 Thrust Collar 73 Casing Gasket Suction Side Not Shown 73A Casing Gasket Discharge Side Not Shown 73D Gasket Seal Cap 80 Mechanical Shaft Seal Rotating El...

Page 16: ...utboard 20 Shaft Sleeve Nut 29A Seal Cage 31 Bearing Housing inboard 32 Impeller Key 33 Bearing Housing outboard 38 Shaft Sleeve Gasket ITEM No DESCRIPTION 40 Deflector Liquid 41 Bearing Cap inboard 43 Bearing Cap outboard 72 Thrust Collar 73 Casing Gasket Suction Side Not Shown 73A Casing Gasket Discharge Side Not Shown 127A Seal Piping 192 Retaining Ring Bearing Furnished ONLY in pairs as comple...

Page 17: ... Bore of Box Dia of Sleeve Width of Seal Cage 5 000 0 375 3 062 2 500 1 750 0 750 5 000 0 375 3 062 2 500 1 750 0 750 5 000 0 375 3 062 2 812 2 000 0 750 4 Packing Box Second Stage No of Rings with Bleedoff Bushing Size Packing Sq Depth of Bore Bore of Box Dia Sleeve Width of Bleed off Bushing 5 000 0 375 3 062 2 500 1 750 0 750 5 000 0 375 3 062 2 500 1 750 0 750 5 000 0 375 3 062 2 812 2 000 0 7...

Page 18: ...formance specifications must be in writing and such writing must be signed by our authorized representative Due to inaccuracies in field testing if a conflict arises between the results of field testing conducted by or for user and laboratory tests corrected for field performance the latter shall control RECOMMENDATIONS FOR SPECIAL APPLICATIONS OR THOSE RESULTING FROM SYSTEMS ANALYSES AND EVALUATI...

Page 19: ...nt To Insure That Employees Will Not Be Exposed To Health Hazards In Handling Said Material All Applicable Laws And Regulations Shall Apply IMPORTANT WARRANTY REGISTRATION Your product is covered by the enclosed Warranty To complete the Warranty Registration Form go to http www cranepumps com ProductRegistration If you have a claim under the provision of the warranty contact your local Crane Pumps...

Page 20: ...__ Type _________________________________ Number and size of short circuit device s ___________ Amp rating ___________________ Overload Type _____________ Size ______________ Amp rating ___________________ Do protection devices comply with pump and motor Amp rating YES___ NO___ Are all electrical and panel entry connections tight YES___ NO___ Is the interior of the panel dry YES___ NO___ Liquid le...

Page 21: ...s installed away from turbulence YES___ NO___ Is level control operating properly YES___ NO___ Is pump fully submerged during operation YES___ NO___ Follow up Corrective Action Required YES___ NO___ Additional Comments ____________________________________________________________________________ ____________________________________________________________________________ ___________________________...

Page 22: ...Notes ...

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